/*********************************************************
          File Name:9.8.cpp
          Author: Abby Cin
          Mail: abbytsing@gmail.com
          Created Time: Wed 17 Feb 2016 10:38:29 PM CST
**********************************************************/

// what type should be used to read elements in list<string>?
// what type use to write list<string>?

// - 1. list<string>::iterator
// - 2. string
